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    Large thermal ink jet nozzle array printhead
    9.
    发明公开
    Large thermal ink jet nozzle array printhead 有权
    打印头具有用于热喷墨打印大量喷嘴的

    公开(公告)号：EP1093920A3

    公开(公告)日：2002-02-20

    申请号：EP00308671.7

    申请日：2000-10-03

    申请人： Hewlett-Packard Company, A Delaware Corporation

    发明人： Childers, Winthrop D. ,  Sexton, Douglas A.

    IPC分类号： B41J2/14 ,  B41J2/15 ,  B41J2/16

    CPC分类号： B41J2/04546 ,  B41J2/0458 ,  B41J2/14072 ,  B41J2/14129

    摘要： This present invention is embodied in a large array printhead (300) having a large array of thin-film ink drop generators formed on a single monolithic substrate (310). The large array printhead (300) includes a multiplexing device (315) to reduce parasitic resistance and the number of incoming leads. In a preferred embodiment, the substrate (310) is initially patterned and etched and the multiplexing device (315) is attached to the substrate (310) at a later time. The present invention also includes methods of fabricating a plurality of large array printhead embodiments using a single monolithic substrate (1000) made of a suitable material, preferably having a low coefficient of thermal expansion.